Answer / hihi

open delta system or the v-v connection is used to minimise costs as it is a bank of 2 1-phase transformers can b used for the power supply purpose ..but its poweer output is 57% of the 3 ph transformer .. used wen less load cond so d losses r less ...and wen in fftute load requiremnt increases the 3rd windin is added

why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply

12 Answers   APTransco, Proman,

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When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 Answers  

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Why Nutral CT rating for Earth Fault Protection of Transformer neutral shall be 20% of Full load Current of Transformer

2 Answers  

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what is the d/f b/w dol & star delta starter.

2 Answers  

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What will happen if the rotor circuit of a slipring I.M. is kept open & electric supply is given to its stator winding.

2 Answers  

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working of diesel generator ?

0 Answers  

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Dear sir, I have completed DECE in the year 1995. I have work experience in HT and LT LINE more than five years. Now i am doing BE in EEE from rajasthan university. After completion of BE,can i apply "C" Licence sir? Please reply.

0 Answers   Balavigna,

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why the rotor is outside in case of ceiling fan?

1 Answers   HCL,

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what is the maximum genarating voltage in india?

32 Answers  

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which strater used genearalyy???and why???

1 Answers  

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Hello Can I use step up HV transformer 440/4160V as a step down? Thanks Evgeny

5 Answers  

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What is self exciting?

0 Answers  

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